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authorUlrich Drepper <drepper@redhat.com>2004-06-27 19:32:01 +0000
committerUlrich Drepper <drepper@redhat.com>2004-06-27 19:32:01 +0000
commit46f4c5787ad7e3940d3cfb67320e70cff2fbe032 (patch)
tree60dc12e3495ac8e19ac67f3390f635d06662b81d /nptl/tst-rwlock14.c
parent17fb9c535b4e4fb35017a8478a8b274481e3d57e (diff)
Update.
2004-06-27 Ulrich Drepper <drepper@redhat.com> * Makefile: Add rules to build tst-rwlock14. * tst-rwlock14.c: New file. 2004-06-24 Boris Hu <boris.hu@intel.com> * sysdeps/pthread/pthread_rwlock_timedrdlock.c: Add timeout validation check. * sysdeps/pthread/pthread_rwlock_timedwrlock.c: Likewise.
Diffstat (limited to 'nptl/tst-rwlock14.c')
-rw-r--r--nptl/tst-rwlock14.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/nptl/tst-rwlock14.c b/nptl/tst-rwlock14.c
new file mode 100644
index 0000000000..4451a023f7
--- /dev/null
+++ b/nptl/tst-rwlock14.c
@@ -0,0 +1,141 @@
+/* Copyright (C) 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <errno.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+
+static pthread_barrier_t b;
+static pthread_rwlock_t r = PTHREAD_RWLOCK_INITIALIZER;
+
+
+static void *
+tf (void *arg)
+{
+ /* Lock the read-write lock. */
+ if (pthread_rwlock_wrlock (&r) != 0)
+ {
+ puts ("tf: cannot lock rwlock");
+ exit (EXIT_FAILURE);
+ }
+
+ pthread_barrier_wait (&b);
+
+ pthread_t *mtp = (pthread_t *) arg;
+
+ /* This call will never return. */
+ pthread_join (*mtp, NULL);
+
+ return NULL;
+}
+
+
+static int
+do_test (void)
+{
+ int result = 0;
+ struct timespec ts;
+
+ if (clock_gettime (CLOCK_REALTIME, &ts) != 0)
+ {
+ puts ("clock_gettime failed");
+ return 1;
+ }
+
+ if (pthread_barrier_init (&b, NULL, 2) != 0)
+ {
+ puts ("barrier_init failed");
+ return 1;
+ }
+
+ pthread_t me = pthread_self ();
+ pthread_t th;
+ if (pthread_create (&th, NULL, tf, &me) != 0)
+ {
+ puts ("create failed");
+ return 1;
+ }
+
+ /* Wait until the rwlock is locked. */
+ pthread_barrier_wait (&b);
+
+ ts.tv_nsec = -1;
+
+ int e = pthread_rwlock_timedrdlock (&r, &ts);
+ if (e == 0)
+ {
+ puts ("first rwlock_timedrdlock did not fail");
+ result = 1;
+ }
+ else if (e != EINVAL)
+ {
+ puts ("first rwlock_timedrdlock did not return EINVAL");
+ result = 1;
+ }
+
+ e = pthread_rwlock_timedwrlock (&r, &ts);
+ if (e == 0)
+ {
+ puts ("first rwlock_timedwrlock did not fail");
+ result = 1;
+ }
+ else if (e != EINVAL)
+ {
+ puts ("first rwlock_timedwrlock did not return EINVAL");
+ result = 1;
+ }
+
+ ts.tv_nsec = 2000000000;
+
+ e = pthread_rwlock_timedrdlock (&r, &ts);
+ if (e == 0)
+ {
+ puts ("second rwlock_timedrdlock did not fail");
+ result = 1;
+ }
+ else if (e != EINVAL)
+ {
+ puts ("second rwlock_timedrdlock did not return EINVAL");
+ result = 1;
+ }
+
+ e = pthread_rwlock_timedrdlock (&r, &ts);
+ if (e == 0)
+ {
+ puts ("second rwlock_timedrdlock did not fail");
+ result = 1;
+ }
+ else if (e != EINVAL)
+ {
+ puts ("second rwlock_timedrdlock did not return EINVAL");
+ result = 1;
+ }
+
+ if (result == 0)
+ puts ("no bugs");
+
+ return result;
+}
+
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"